Use this trick to see a map of everywhere Google knows you've been

If you have a Gmail account or use any of Google's apps, there's
a good chance Google has some of your location data stored in its
systems.

Luckily, there's an easy way to see exactly
what Google knows about where you've been, and you can even see a
map of past locations you have visited.

This all depends on whether you have enabled two settings tied to
your Google account: location reporting and location history. Of
course Google lets you turn these settings off at any time, and
it even offers
step-by-step instructions.

You could see some data points pop up immediately, or you might
see nothing; it all depends on if and when your phone recorded
your location for apps like Google Maps.

The easiest way to thoroughly search your location history is to
change the "Show" ticker from 1 Day to 30 Days, which will let
you see all of your location data by the month. You can then work
backward by the month until you start to see the red data points
and lines pop up.

Here, for example, you can see all the places I walked around my
college campus last May. Because I used Google Maps during my
move to New York, I can see my exact trip:

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You can also toggle between a traditional map and satellite view:

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If you still can't find anything, don't worry — it just means
that you probably haven't authorized Google or any of its apps to
report and record your location.

You'll notice that Google offers a quick way to "Delete all
history" or to "Delete history from this time period," so you can
eliminate or alter your location history accordingly.